Labelled 2,2’-Methylenebis(5-chlorophenol) (M304090). 2,2’-Methylenebis(5-chlorophenol) is a microbial degradation product from biphenyl-related compounds. 2,2’-Methylenebis(5-chlorophenol) is also an isomer of Dichlorophen (D435970), a strong fungicide and antiseptic.